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| Home > Publications database > Transient Co-expression of Membrane Protein Complexes in Mammalian Cells |
| Contribution to a book | PUBDB-2024-05716 |
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2024
Springer US
New York, NY
ISBN: 978-1-0716-3877-4 (print), 978-1-0716-3878-1 (electronic)
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Please use a persistent id in citations: doi:10.1007/978-1-0716-3878-1_2
Abstract: Membrane proteins are essential components of biological membranes with key roles in cellular processes such as nutrient transport, cell communication, signaling, or energy conversion. Due to their crucial functions, membrane proteins and their complexes are often targets for therapeutic interventions. Expression and purification of membrane proteins are often a bottleneck to yield sufficient material for structural studies and further downstream characterization. Taking advantage of the Expi293 expression system for the production of eukaryotic proteins, we present a very efficient and fast protocol for the co-expression of a membrane complex. Here, we use transient transfection to co-express the membrane transporter PHT1 with its adaptor protein TASL. To allow the simultaneous screening of different proteins, constructs, or interaction partners, we make use of the Twin-Strep magnetic system. The protocol can be applied for small-scale screening of any membrane protein alone or co-expressed with interacting partners followed by large-scale production and purification of a potential membrane protein complex.
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